Manufactured by LG the Fx0 is the first Firefox OS device with an HD display and 4G LTE support.

Fx0 has a 4.7-inch IPS HD screen, is powered by a 1.2GHz GHz Qualcomm Snapdragon 400 quad-core processor along with 1.5GB of RAM and 16GB of storage (with microSD expansion slot). It also features 8MP main and 2.1MP rear cameras. The capacity of the battery is 2370 mAh.